問題詳情

4.Although pure diamond is colorless and_____ ，when contaminatedwith other matenal it may appear in various colors.
(A) transient
(B) transitional
(C)transparent
(D) transitive

參考答案

答案：C
難度：適中0.642857
統計：A(0),B(2),C(9),D(1),E(0)